Lillian Calahan

Bib: 25911F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:57
Rank: #16976
Start5K
8:21/mi
25:57 split
10K· 6.21 mi
51:59
Rank: #16735 (+241)
5K10K
8:23/mi
26:02 split
15K· 9.32 mi
1:19:36
Rank: #17337 (-602)
10K15K
8:53/mi
27:37 split
20K· 12.43 mi
1:48:33
Rank: #17700 (-363)
15K20K
9:19/mi
28:57 split
Half· 13.11 mi
1:54:26
Rank: #17630 (+70)
20KHalf
8:37/mi
5:53 split
25K· 15.53 mi
2:18:16
Rank: #17845 (-215)
Half25K
9:50/mi
23:50 split
30K· 18.64 mi
2:54:47
Rank: #18937 (-1092)
25K30K
11:45/mi
36:31 split
20M
3:13:26
Rank: #19556 (-619)
30K20M
13:43/mi
18:39 split
21M
3:27:02
Rank: #19699 (-143)
20M21M
13:36/mi
13:36 split
35K· 21.75 mi
3:35:36
Rank: #19738 (-39)
21M35K
11:27/mi
8:34 split
23M
3:51:43
Rank: #19940 (-202)
35K23M
12:52/mi
16:07 split
24M
4:04:26
Rank: #20099 (-159)
23M24M
12:43/mi
12:43 split
40K· 24.85 mi
4:15:02
Rank: #20140 (-41)
24M40K
12:24/mi
10:36 split
25.2M
4:18:54
Rank: #20067 (+73)
40K25.2M
11:13/mi
3:52 split
Finish· 26.22 mi
4:27:52
Rank: #19867 (+200)
25.2MFinish
8:48/mi
8:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:26
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:33:26
Pace11:42 /mi
📊Positive Split: 34.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:2725:578:2125:57
8:21
-
10K
6.21 mi12:07:2951:598:2226:02
8:23
+0:02
15K
9.32 mi12:35:061:19:368:3227:37
8:53
+0:30
20K
12.43 mi13:04:031:48:338:4428:57
9:19
+0:26
Half
13.11 mi13:09:561:54:268:445:53
8:37
-0:42
25K
15.53 mi13:33:462:18:168:5423:50
9:50
+1:13
30K
18.64 mi14:10:172:54:479:2336:31
11:45
+1:55
20M
20.00 mi14:28:563:13:269:4018:39
13:43
+1:58
21M
21.00 mi14:42:323:27:029:5213:36
13:36
-0:07
35K
21.75 mi14:51:063:35:369:558:34
11:27
-2:09
23M
23.00 mi15:07:133:51:4310:0416:07
12:52
+1:25
24M
24.00 mi15:19:564:04:2610:1112:43
12:43
-0:09
40K
24.85 mi15:30:324:15:0210:1610:36
12:24
-0:19
25.2M
25.20 mi15:34:244:18:5410:163:52
11:13
-1:11
Finish
26.22 mi15:43:224:27:5210:138:58
8:48
-2:25

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:21 /mi

Average Pace

10:13 /mi

Slowest Pace

13:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:14

55% of race

Time at Steady Pace

48:57

18% of race

Time at Slower Pace

1:11:41

27% of race

Average Pace: 10:13 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:41:2725:578:2125:57
8:21
#16976
10K
6.21 mi12:07:2951:598:2226:02
8:23
#16735
15K
9.32 mi12:35:061:19:368:3227:37
8:53
#17337
20K
12.43 mi13:04:031:48:338:4428:57
9:19
#17700
Half
13.11 mi13:09:561:54:268:445:53
8:37
#17630
25K
15.53 mi13:33:462:18:168:5423:50
9:50
#17845
30K
18.64 mi14:10:172:54:479:2336:31
11:45
#18937
20M
20.00 mi14:28:563:13:269:4018:39
13:43
#19556
21M
21.00 mi14:42:323:27:029:5213:36
13:36
#19699
35K
21.75 mi14:51:063:35:369:558:34
11:27
#19738
23M
23.00 mi15:07:133:51:4310:0416:07
12:52
#19940
24M
24.00 mi15:19:564:04:2610:1112:43
12:43
#20099
40K
24.85 mi15:30:324:15:0210:1610:36
12:24
#20140
25.2M
25.20 mi15:34:244:18:5410:163:52
11:13
#20067
Finish
26.22 mi15:43:224:27:5210:138:58
8:48
#19867
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi169766152615218400(Top 72%)6924(Top 63%)6924(Top 149%)
10K6.21 mi3.10 mi16735+2416007+1456007+14516593(Top 65%)5887(Top 54%)5887(Top 126%)
15K9.32 mi3.11 mi17337-6026344-3376344-33718400(Top 72%)6924(Top 63%)6924(Top 149%)
20K12.43 mi3.11 mi17700-3636576-2326576-23218610(Top 73%)7060(Top 65%)7060(Top 152%)
Half13.11 mi0.68 mi17630+706540+366540+3616472(Top 64%)5931(Top 54%)5931(Top 127%)
25K15.53 mi2.42 mi17845-2156685-1456685-14518648(Top 73%)7192(Top 66%)7192(Top 154%)
30K18.64 mi3.11 mi18937-10927333-6487333-64821513(Top 84%)8906(Top 82%)8906(Top 191%)
20M20.00 mi1.36 mi19556-6197697-3647697-36423703(Top 93%)10100(Top 92%)10100(Top 217%)
21M21.00 mi1.00 mi19699-1437790-937790-9321754(Top 85%)9176(Top 84%)9176(Top 197%)
35K21.75 mi0.75 mi19738-397833-437833-4320765(Top 81%)8701(Top 80%)8701(Top 187%)
23M23.00 mi1.25 mi19940-2027955-1227955-12222335(Top 87%)9521(Top 87%)9521(Top 204%)
24M24.00 mi1.00 mi20099-1598067-1128067-11222640(Top 89%)9722(Top 89%)9722(Top 209%)
40K24.85 mi0.85 mi20140-418106-398106-3921216(Top 83%)9094(Top 83%)9094(Top 195%)
25.2M25.20 mi0.35 mi20067+738068+388068+3815253(Top 60%)6179(Top 57%)6179(Top 133%)
Finish26.22 mi1.02 mi19867+2007980+887980+8813206(Top 52%)5083(Top 47%)5083(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

18400

Females

6924

F18-39

6924

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

16593

Females

5887

F18-39

5887

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

18400

Females

6924

F18-39

6924

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

18610

Females

7060

F18-39

7060

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16472

Females

5931

F18-39

5931

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18648

Females

7192

F18-39

7192

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21513

Females

8906

F18-39

8906

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

23703

Females

10100

F18-39

10100

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

21754

Females

9176

F18-39

9176

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

20765

Females

8701

F18-39

8701

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

22335

Females

9521

F18-39

9521

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

22640

Females

9722

F18-39

9722

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21216

Females

9094

F18-39

9094

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15253

Females

6179

F18-39

6179

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13206

Females

5083

F18-39

5083

Passing Analysis

Category:
Athletes Passed
1424
Passed By
4315
Net Change
-2891
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16976
5K10K408167+241#16976#16735
10K15K97699-602#16735#17337
15K20K158521-363#17337#17700
20KHalf8111+70#17700#17630
Half25K139354-215#17630#17845
25K30K451137-1092#17845#18937
30K20M14633-619#18937#19556
20M21M37180-143#19556#19699
21M35K5291-39#19699#19738
35K23M39241-202#19738#19940
23M24M32191-159#19940#20099
24M40K4889-41#20099#20140
40K25.2M741+73#20140#20067
25.2MFinish2000+200#20067#19867
TOTALS14244315-2891
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing